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/*******************************************************************************
* Copyright (c) 2007, 2009 Wind River Systems, Inc. and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Markus Schorn - initial API and implementation
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.core.index;
import org.eclipse.cdt.core.dom.ILinkage;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.core.index.IIndexBinding;
import org.eclipse.cdt.core.index.IndexFilter;
import org.eclipse.cdt.internal.core.index.composite.CompositeIndexBinding;
import org.eclipse.core.runtime.CoreException;
public class DeclaredBindingsFilter extends IndexFilter {
final private int fLinkageID;
final private boolean fAcceptImplicit;
final private boolean fAllowInstances;
public DeclaredBindingsFilter() {
this(-1, false, true);
}
public DeclaredBindingsFilter(int linkageID, boolean acceptImplicit, boolean allowInstances) {
fLinkageID= linkageID;
fAcceptImplicit= acceptImplicit;
fAllowInstances= allowInstances;
}
@Override
public boolean acceptLinkage(ILinkage linkage) {
return fLinkageID == -1 || fLinkageID == linkage.getLinkageID();
}
@Override
public boolean acceptBinding(IBinding binding) throws CoreException {
if (!fAllowInstances && binding instanceof ICPPTemplateInstance)
return false;
if (binding instanceof IIndexFragmentBinding) {
return ((IIndexFragmentBinding) binding).hasDeclaration()
|| (fAcceptImplicit && isImplicit(binding));
}
// composite bindings don't support that kind of check.
if (binding instanceof CompositeIndexBinding) {
IIndexBinding raw= ((CompositeIndexBinding) binding).getRawBinding();
if (raw instanceof IIndexFragmentBinding) {
if (((IIndexFragmentBinding) raw).hasDeclaration()) {
return true;
}
}
}
return fAcceptImplicit || !isImplicit(binding);
}
private boolean isImplicit(IBinding binding) {
if (binding instanceof ICPPSpecialization)
return true;
if (binding instanceof ICPPMethod) {
return ((ICPPMethod) binding).isImplicit();
}
return false;
}
}
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